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Finding the Fourth Proportional to 484,095.66, 668,048.30 and 266,299.64

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Solution

The fourth proportional to 484,095.66, 668,048.30 and 266,299.64 is: 367,491.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,095.66 : 668,048.30 = 266,299.64 : x
  2. Step 2: Convert to fraction form
    484,095.66/668,048.30 = 266,299.64/x
  3. Step 3: Cross multiply
    484,095.66x = 668,048.30 × 266,299.64
  4. Step 4: Simplify right side
    484,095.66x = 177,901,019,118.12
  5. Step 5: Solve for x
    x = 177,901,019,118.12/484,095.66
  6. Step 6: Final answer
    x = 367,491.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.